The 2008 winner, Langer, 56, had a 13-under 129 total at Newport Beach Country Club. He won the season-opening event in Hawaii in January for his 19th victory on the 50-and-over tour.
Kenny Perry and Chien Soon Lu were tied for second. Perry made a 15-foot eagle putt on the par-5 18th for 65, and Lu shot 66.
Fred Couples, Scott Dunlap, Esteban Toledo and Jeff Hart were 10 under.
Augusta native Larry Mize, who opened with 75, rebounded with 69 and is at 144.
EUROPEAN TOUR: In Agadir, Morocco, Alejandro Canizares extended his lead to six strokes in the third round of the Trophee Hassan II after shooting 3-under-par 69.
Leading since the first round, Canizares made four birdies and a bogey. He’s at 17-under 199 heading into the final round.
Seve Benson remained in second place despite carding a 74. He holed four birdies to offset three bogeys and a triple bogey.
Robert-Jan Derksen climbed to third, one stroke behind Benson, by firing a bogey-free 67.
“My idea was to get to 20 under, that was my focus. I was trying to look forward all the time, not behind me,” said Canizares, who won his only European Tour title at the Russian Open in 2006.
David Horsey (72), the 2011 winner, shared fourth at 208 with Paul Waring (67), Shiv Kapur (67), Robert Karlsson (70) and Magnus Carlsson (72).
WEB.COM TOUR: In Sao Paulo, Brazil, former Vanderbilt golfer Jon Curren shot 6-under-par 65 and will carry a four-shot lead into today’s final round of the Brasil Champions.
Curren, who is at 23-under 190, is being chased by Alex Cejka (63) and Ash Hall (65).
Augusta’s Scott Parel (69) and Aiken native Matt Hendrix (67) are tied for 25th place at 204. Evans resident Vaughn Taylor had 69 and is tied for 34th place at 205.